Moraxella pluranimalium

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Moraxella pluranimalium
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Bacteria
Kingdom: Pseudomonadati
Phylum: Pseudomonadota
Class: Gammaproteobacteria
Order: Pseudomonadales
Family: Moraxellaceae
Genus: Moraxella
Species:
M. pluranimalium
Binomial name
Moraxella pluranimalium
Vela et al. 2009 [1]
Type strain
CCUG 54913, CECT 7295, strain 248-01

Moraxella pluranimalium is a Gram-negative, aerobic, catalase- and oxidase-positive, non-spore-forming bacterium in the genus Moraxella . It was originally isolated from the nasal turbinate of a pig in Spain. [1] [2]

Contents

Etymology

The species name pluranimalium is derived from the Latin pluri- (many) and animalium (of animals), referring to its isolation from multiple animal species. [1]

Antimicrobial resistance

In a survey of bacteria from healthy pigs in Great Britain (2014–2015), one isolate of M. pluranimalium was found to carry the chromosomally-encoded mcr-6.1 gene, a variant of the colistin resistance determinant. Phenotypic testing showed reduced susceptibility to colistin. [3]

The type strain (248-01) has been shown to harbor the chromosomal gene mcr-2.2, a close variant of mcr-2, conferring high-level resistance to colistin (MIC 16 mg/L). [4] This strain is considered a likely natural source of mcr-2-type genes before their mobilization into plasmids circulating in Enterobacteriaceae.

References

  1. 1 2 3 Vela, A. I.; Arroyo, E.; Aragón, V.; Sánchez-Porro, C.; Latre, M. V.; Cerdá-Cuéllar, M.; Ventosa, A.; Domínguez, L.; Fernández-Garayzábal, J. F. (2009). "Moraxella pluranimalium sp. nov., isolated from animal specimens". International Journal of Systematic and Evolutionary Microbiology . 59 (4): 671–674. doi:10.1099/ijs.0.006205-0. PMID   19329585.
  2. ↑ "Taxonomy Browser: Moraxella pluranimalium". NCBI . Retrieved 13 July 2025.
  3. ↑ AbuOun, Manal; Stubberfield, Emma J.; Duggett, Nick A.; Kirchner, Miranda; Dormer, Luisa; Nuñez-García, Javier; Randall, Luke P.; Lemma, Fabrizio; Crook, Derrick W.; Anjum, Muna F. (2017). "mcr-1 and mcr-2 (mcr-6.1) variant genes identified in Moraxella species isolated from pigs in Great Britain from 2014 to 2015". Journal of Antimicrobial Chemotherapy . 72 (10): 2745–2749. doi:10.1093/jac/dkx286. PMID   28961962.
  4. ↑ Poirel, Laurent; Kieffer, Nicolas; Fernandez-Garayzabal, Jose F.; Vela, Ana I.; Larpin, Yu; Nordmann, Patrice (2017). "MCR-2-mediated plasmid-borne polymyxin resistance most likely originates from Moraxella pluranimalium". Journal of Antimicrobial Chemotherapy . 72 (10): 2947–2949. doi:10.1093/jac/dkx225. PMID   28633304.
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